Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. The freezing point of sulphur dioxide is

2. For obtaining high COP, the pressure range of compressor should be

3. In a refrigeration system, the expansion device is connected between the

4. The boiling point of ammonia is

5. The value of C.O.P in vapour compression cycle is usually

6. The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called

7. Freon group of refrigerants are

8. The capillary tube, as an expansion device, is used in

9. Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of

10. A thermostatic expansion valve in a refrigeration system


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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